20 Timers & Real-Time Clocks 177

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Part	Manufacturer	Peripheral IC Type	Temperature Grade	Terminal Form	No. of Terminals	Package Code	Package Shape	Package Body Material	Surface Mount	Information Access Method	Maximum Supply Voltage	On Chip Data RAM Width	Maximum Output Clock Frequency	Power Supplies (V)	Package Style (Meter)	Package Equivalence Code	Interrupt Capability	Minimum Supply Voltage	Maximum Operating Temperature	Minimum Operating Temperature	Terminal Finish	Terminal Position	Maximum Seated Height	RAM Words	Width	Additional Features	External Data Bus Width	Maximum Clock Frequency	Maximum Time At Peak Reflow Temperature (s)	Peak Reflow Temperature (C)	Length	No. of Timers	Technology	Maximum Supply Current	Minimum Time	Nominal Supply Voltage	Sub-Category	Bus Compatibility	Terminal Pitch	JESD-30 Code	Moisture Sensitivity Level (MSL)	Qualification	Volatile	JESD-609 Code
PCF2127AT/1,518	NXP Semiconductors	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	4.2 V			2/4	SMALL OUTLINE	SOP20,.4	Y	1.8 V	85 Cel	-40 Cel		DUAL	2.65 mm		7.5 mm		0	.032 MHz			12.8 mm		CMOS		SECONDS	3 V	Timers or RTCs		1.27 mm	R-PDSO-G20		Not Qualified	YES
PCF2127AT	NXP Semiconductors	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	4.2 V				SMALL OUTLINE			1.8 V	85 Cel	-40 Cel		DUAL	2.65 mm		7.5 mm						12.8 mm	1	CMOS			2 V			1.27 mm	R-PDSO-G20
ISL12022MIBZ	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C; SERIAL	5.5 V				SMALL OUTLINE			2.7 V	85 Cel	-40 Cel	MATTE TIN	DUAL	2.65 mm		7.5 mm	ALSO OPERATES WITH 5 V NOMINAL	0		30	260	12.8 mm		CMOS			3 V			1.27 mm	R-PDSO-G20	1			e3
RX-8581NBB	Epson Toyocom	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	20	SON	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V				SMALL OUTLINE			1.8 V	85 Cel	-40 Cel	TIN/TIN SILVER	DUAL	1.4 mm		4.8 mm			.032 MHz	NOT SPECIFIED	NOT SPECIFIED			CMOS			3 V			.5 mm	R-PDSO-N20		Not Qualified		e3/e2
CDP68HC68T1M	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	6 V	8	.002048 MHz	3.3/5	SMALL OUTLINE	SOP20,.4	Y	3 V	85 Cel	-40 Cel	Tin/Lead (Sn/Pb)	DUAL		32				2.1 MHz				1	CMOS	1.2 mA	SECONDS	5 V	Timer or RTC	CDP6805D2	1.27 mm	R-PDSO-G20		Not Qualified	YES	e0
ISL12022MIBZR5421	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	I2C	5.5 V			3/5	SMALL OUTLINE	SOP20,.4	Y	2.7 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	2.65 mm		7.5 mm			.032 MHz	30	260	12.8 mm		CMOS		SECONDS	3 V	Timer or RTC		1.27 mm	R-PDSO-G20	1	Not Qualified	NO	e3
CDP68HC68T1MZ96	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.25 V			3.3/5	SMALL OUTLINE	SOP20,.4	Y	4.75 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	2.65 mm		7.5 mm			4.1943 MHz	30	260	12.8 mm	1	CMOS		SECONDS	5 V	Timers or RTCs		1.27 mm	R-PDSO-G20	3	Not Qualified	YES	e3
CDP68HC68T1M96	Renesas Electronics	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	6 V	8	.002048 MHz	3.3/5	SMALL OUTLINE	SOP20,.4	Y	3 V	85 Cel	-40 Cel	Tin/Lead (Sn/Pb)	DUAL		32				2.1 MHz				1	CMOS	1.2 mA	SECONDS	5 V	Timer or RTC	CDP6805D2	1.27 mm	R-PDSO-G20		Not Qualified	YES	e0
DS1344E-18+	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V			1.8	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	1.71 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.1 mm		4.4 mm			4 MHz	30	260	6.5 mm	1	CMOS		SECONDS	1.8 V	Timers or RTCs		.65 mm	R-PDSO-G20	1	Not Qualified	NO	e3
DS1306E/T&R	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V			3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	2 V	70 Cel	0 Cel	TIN LEAD	DUAL	1.1 mm		4.4 mm		0	.032 MHz			6.5 mm	0	CMOS		SECONDS	5 V	Timer or RTC		.65 mm	R-PDSO-G20	1	Not Qualified	YES	e0
DS1306E+T&R	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V			3/5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	2 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		4.4 mm		0	.032 MHz	30	260	6.5 mm	0	CMOS		SECONDS	5 V	Timer or RTC		.65 mm	R-PDSO-G20	1	Not Qualified	YES	e3
DS1344E-33+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V			3.3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	3 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		4.4 mm			4 MHz	30	260	6.5 mm	1	CMOS		SECONDS	3.3 V	Timers or RTCs		.65 mm	R-PDSO-G20	1	Not Qualified	NO	e3
DS1343E-3+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V			3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	2.7 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		4.4 mm			4 MHz	30	260	6.5 mm	1	CMOS		SECONDS	3 V	Timers or RTCs		.65 mm	R-PDSO-G20	1	Not Qualified	NO	e3
DS1344E-3+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V			3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	2.7 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		4.4 mm			4 MHz	30	260	6.5 mm	1	CMOS		SECONDS	3 V	Timers or RTCs		.65 mm	R-PDSO-G20	1	Not Qualified	NO	e3
PCF8583BS,518	NXP Semiconductors	TIMER, REAL TIME CLOCK	INDUSTRIAL	NO LEAD	20	HVQCCN	SQUARE	PLASTIC/EPOXY	YES	I2C	6 V			3/5	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	LCC20,.20SQ,25	Y	2.5 V	85 Cel	-40 Cel	NICKEL PALLADIUM GOLD	QUAD	1 mm		5 mm	TIMEKEEPING CURRENT = 10UA; AUTO WORD INCREMENTING	1	.1 MHz			5 mm	0	CMOS		1/100 SECOND	5 V	Timer or RTC		.65 mm	S-PQCC-N20	3	Not Qualified	YES	e4
DS1343E-33+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V			3.3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	3 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		4.4 mm			4 MHz	30	260	6.5 mm	1	CMOS		SECONDS	3.3 V	Timers or RTCs		.65 mm	R-PDSO-G20	1	Not Qualified	NO	e3
RTC-4574JEB	Seiko Epson	TIMER, REAL TIME CLOCK	INDUSTRIAL	J BEND	20	SOJ	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V			1.8/5	SMALL OUTLINE	SSOJ20,.25	Y	1.6 V	85 Cel	-40 Cel	Tin/Silver (Sn/Ag)	DUAL	1.5 mm		5.4 mm			.032 MHz	10	260	7 mm	0	CMOS		SECONDS	3 V	Timer or RTC		.65 mm	R-PDSO-J20		Not Qualified	YES	e2
DS1343E-18+	Maxim Integrated	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V			1.8	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	1.71 V	85 Cel	-40 Cel	MATTE TIN	DUAL	1.1 mm		4.4 mm			4 MHz	30	260	6.5 mm	1	CMOS		SECONDS	1.8 V	Timers or RTCs		.65 mm	R-PDSO-G20	1	Not Qualified	NO	e3
DS1677E	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V			5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL	1.1 mm		4.4 mm	3-CHANNEL, 8-BIT ADC	1	.032 MHz		245	6.5 mm	0	CMOS		SECONDS	5 V	Timer or RTC		.65 mm	R-PDSO-G20	1	Not Qualified	YES	e0
DS1677E+	Maxim Integrated	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V				SMALL OUTLINE, THIN PROFILE, SHRINK PITCH			4.5 V	70 Cel	0 Cel	MATTE TIN	DUAL	1.1 mm		4.4 mm	3-CHANNEL, 8-BIT ADC	1	.032 MHz	30	260	6.5 mm		CMOS			5 V			.65 mm	R-PDSO-G20	1	Not Qualified		e3
MM58274CV	Texas Instruments	TIMER, REAL TIME CLOCK	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES	PARALLEL, DIRECT ADDRESS	5.5 V				CHIP CARRIER			4.5 V	85 Cel	-40 Cel		QUAD	4.57 mm		8.89 mm		4				8.89 mm	0	CMOS			5 V			1.27 mm	S-PQCC-J20
DS1315E-5+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, FIXED PROTOCOL	5.5 V			5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	N	4.5 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		4.4 mm		0	.032 MHz	30	260	6.5 mm	0	CMOS		1/100 SECOND	5 V	Timer or RTC		.65 mm	R-PDSO-G20	1	Not Qualified	YES	e3
DS1315E-5V	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, FIXED PROTOCOL	5.5 V			5	SMALL OUTLINE	TSSOP20,.25	N	4.5 V	70 Cel	0 Cel	TIN LEAD	DUAL										0	CMOS		1/100 SECOND	5 V	Timer or RTC		.635 mm	R-PDSO-G20	1	Not Qualified	YES	e0
DS1343E-3+T&R	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V				SMALL OUTLINE, THIN PROFILE, SHRINK PITCH			2.7 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		4.4 mm				30	260	6.5 mm	1	CMOS			3 V			.65 mm	R-PDSO-G20	1			e3
DS1344E-33+T&R	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V				SMALL OUTLINE, THIN PROFILE, SHRINK PITCH			3 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		4.4 mm				30	260	6.5 mm	1	CMOS			3.3 V			.65 mm	R-PDSO-G20	1			e3
DS1673S-5+T&R	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V				SMALL OUTLINE			4.5 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	2.65 mm		7.5 mm				30	260	12.8 mm		CMOS			5 V			1.27 mm	R-PDSO-G20	1			e3
DS1673S-5+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V			5	SMALL OUTLINE	SOP20,.4	Y	4.5 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	2.65 mm		7.5 mm	3-CHANNEL, 8-BIT ADC	1	.032 MHz	30	260	12.8 mm	0	MOS		SECONDS	5 V	Timer or RTC		1.27 mm	R-PDSO-G20	1	Not Qualified	YES	e3
DS1670E+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	3.63 V			3.3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	2.97 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		4.4 mm	3-CHANNEL, 8-BIT ADC	1	.032 MHz	30	260	6.5 mm	0	CMOS		SECONDS	3.3 V	Timers or RTCs		.65 mm	R-PDSO-G20	1	Not Qualified	YES	e3
DS1315E-3V	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, FIXED PROTOCOL	3.3 V			3	SMALL OUTLINE	TSSOP20,.25	N	2.7 V	70 Cel	0 Cel	TIN LEAD	DUAL										0	CMOS		1/100 SECOND	3 V	Timer or RTC		.635 mm	R-PDSO-G20	1	Not Qualified	YES	e0
DS1315EN-3V	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, FIXED PROTOCOL				3	SMALL OUTLINE	TSSOP20,.25	N		85 Cel	-45 Cel	TIN LEAD	DUAL										0	CMOS		1/100 SECOND	3 V	Timer or RTC		.635 mm	R-PDSO-G20	1	Not Qualified	YES	e0
DS1670E+TRL	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	3.63 V			3.3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	2.97 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		4.4 mm	3-CHANNEL, 8-BIT ADC	1	.032 MHz			6.5 mm		CMOS		SECONDS	3.3 V	Timers or RTCs		.65 mm	R-PDSO-G20	1	Not Qualified	YES	e3
DS1673E-5+T&R	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V			5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	4.5 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		4.4 mm	3-CHANNEL, 8-BIT ADC	1	.032 MHz	30	260	6.5 mm	0	MOS		SECONDS	5 V	Timer or RTC		.65 mm	R-PDSO-G20	1	Not Qualified	YES	e3
DS1315E-33+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, FIXED PROTOCOL	3.6 V			3.3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	N	3 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		4.4 mm		0	.032 MHz	30	260	6.5 mm	0	CMOS		1/100 SECOND	3.3 V	Timer or RTC		.65 mm	R-PDSO-G20	1	Not Qualified	YES	e3
DS1670E+T&R	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	3.63 V			3.3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	2.97 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		4.4 mm	3-CHANNEL, 8-BIT ADC	1	.032 MHz	30	260	6.5 mm	0	CMOS		SECONDS	3.3 V	Timers or RTCs		.65 mm	R-PDSO-G20	1	Not Qualified	YES	e3
DS1673E-5+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V			5	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	4.5 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		4.4 mm	3-CHANNEL, 8-BIT ADC	1	.032 MHz	30	260	6.5 mm	0	MOS		SECONDS	5 V	Timer or RTC		.65 mm	R-PDSO-G20	1	Not Qualified	YES	e3
DS1315EN-33+T&R	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, FIXED PROTOCOL	3.6 V			3.3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	N	3 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		4.4 mm		0	.032 MHz	30	260	6.5 mm	0	CMOS		1/100 SECOND	3.3 V	Timer or RTC		.65 mm	R-PDSO-G20	1	Not Qualified	YES	e3
DS1343E-33+T&R	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V				SMALL OUTLINE, THIN PROFILE, SHRINK PITCH			3 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		4.4 mm				30	260	6.5 mm	1	CMOS			3.3 V			.65 mm	R-PDSO-G20	1			e3
DS1673E-3+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	3.3 V			3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	2.7 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		4.4 mm	3-CHANNEL, 8-BIT ADC	1	.032 MHz	30	260	6.5 mm	0	MOS		SECONDS	3 V	Timer or RTC		.65 mm	R-PDSO-G20	1	Not Qualified	YES	e3
DS1344E-3+T&R	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	5.5 V				SMALL OUTLINE, THIN PROFILE, SHRINK PITCH			2.7 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		4.4 mm				30	260	6.5 mm	1	CMOS			3 V			.65 mm	R-PDSO-G20	1			e3
DS1315EN-5V	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, FIXED PROTOCOL				5	SMALL OUTLINE	TSSOP20,.25	N		85 Cel	-45 Cel	TIN LEAD	DUAL										0	CMOS		1/100 SECOND	5 V	Timer or RTC		.635 mm	R-PDSO-G20	1	Not Qualified	YES	e0
DS1673E-3+T&R	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	3.3 V			3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	Y	2.7 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		4.4 mm	3-CHANNEL, 8-BIT ADC	1	.032 MHz	30	260	6.5 mm	0	MOS		SECONDS	3 V	Timer or RTC		.65 mm	R-PDSO-G20	1	Not Qualified	YES	e3
DS1673S-3+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	3.3 V			3	SMALL OUTLINE	SOP20,.4	Y	2.7 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	2.65 mm		7.5 mm	3-CHANNEL, 8-BIT ADC	1	.032 MHz	30	260	12.8 mm	0	MOS		SECONDS	3 V	Timer or RTC		1.27 mm	R-PDSO-G20	1	Not Qualified	YES	e3
DS1315EN-33+	Analog Devices	TIMER, REAL TIME CLOCK	INDUSTRIAL	GULL WING	20	TSSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, FIXED PROTOCOL	3.6 V			3.3	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	TSSOP20,.25	N	3 V	85 Cel	-40 Cel	Matte Tin (Sn) - annealed	DUAL	1.1 mm		4.4 mm		0	.032 MHz	30	260	6.5 mm	0	CMOS		1/100 SECOND	3.3 V	Timer or RTC		.65 mm	R-PDSO-G20	1	Not Qualified	YES	e3
DS1670S+	Analog Devices	TIMER, REAL TIME CLOCK	COMMERCIAL	GULL WING	20	SOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 3-WIRE	3.63 V			3.3	SMALL OUTLINE	SOP20,.4	Y	2.97 V	70 Cel	0 Cel	Matte Tin (Sn) - annealed	DUAL	2.65 mm		7.5 mm	3-CHANNEL, 8-BIT ADC	1	.032 MHz	30	260	12.8 mm	0	CMOS		SECONDS	3.3 V	Timers or RTCs		1.27 mm	R-PDSO-G20	1	Not Qualified	YES	e3
HCF4541BC1	STMicroelectronics	TIMER, PROGRAMMABLE	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES		15 V				CHIP CARRIER			3 V	85 Cel	-40 Cel	MATTE TIN	QUAD	4.57 mm		8.9662 mm			6 MHz			8.9662 mm	1	CMOS			5 V			1.27 mm	S-PQCC-J20		Not Qualified		e3
M41ST87YSS6F	STMicroelectronics		INDUSTRIAL	GULL WING	20	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, FIXED PROTOCOL				5	SMALL OUTLINE, SHRINK PITCH	SSOP20,.3	Y		85 Cel	-40 Cel		DUAL											CMOS		1/100 SECOND	5 V	Timers or RTCs		.635 mm	R-PDSO-G20		Not Qualified	NO
HCF4536BC1	STMicroelectronics	TIMER, PROGRAMMABLE	INDUSTRIAL	J BEND	20	QCCJ	SQUARE	PLASTIC/EPOXY	YES						CHIP CARRIER				85 Cel	-40 Cel	MATTE TIN	QUAD	4.57 mm		8.9662 mm			2.5 MHz			8.9662 mm	1	CMOS			5 V			1.27 mm	S-PQCC-J20		Not Qualified		e3
M41ST87WSS6	STMicroelectronics		INDUSTRIAL	GULL WING	20	SSOP	RECTANGULAR	PLASTIC/EPOXY	YES	SERIAL, 2 WIRE/I2C				3/3.3	SMALL OUTLINE, SHRINK PITCH	SSOP20,.3	Y		85 Cel	-40 Cel		DUAL											CMOS		1/100 SECOND		Timer or RTC		.635 mm	R-PDSO-G20		Not Qualified	NO

Timers & Real-Time Clocks

Timers and real-time clocks (RTCs) are electronic devices that are used to measure and track time intervals in electronic systems. They are crucial components in many applications, such as control systems, automation systems, and consumer electronics.

A timer is an electronic device that is used to measure the duration of time intervals. Timers can be either digital or analog and can be used to measure time intervals ranging from microseconds to hours or even days. They can be used for a variety of applications, such as controlling the duration of a signal or triggering an event after a specified time interval.

A real-time clock (RTC) is a clock that keeps track of the current time and date. Unlike a timer, an RTC is capable of keeping track of time even when the system is powered off. RTCs are commonly used in consumer electronics such as watches, clocks, and digital cameras, as well as in control systems, data loggers, and other applications that require accurate timekeeping.